Decision Workspace
xstring vs cypherlite-ffi vs ustr
Side-by-side comparison of Rust crates
43
xstring
experimentalv0.1.1
An immutable owned string that could be cheaply cloned and passed through FFI.
57
cypherlite-ffi
experimentalv2.0.1
C ABI foreign function interface bindings for CypherLite graph database
56
ustr
growingv1.1.0
Fast, FFI-friendly string interning.
Core Metrics
| xstring | cypherlite-ffi | ustr | |
|---|---|---|---|
| Health Score | 43 | 57 | 56 |
| Total Downloads | 1.0K | 126 | 1.8M |
| 30d Downloads | 4 | 126 | 142.2K |
| Dependents | 0 | 0 | 525 |
| Releases | 2 | 9 | 15 |
| Last Updated | 289d ago | 12d ago | 517d ago |
| Age | 10m | 12d | 6y 4m |
Health Breakdown
xstring
Maintenance
7
Quality
16
Community
3
Popularity
4
Documentation
13
cypherlite-ffi
Maintenance
18
Quality
18
Community
6
Popularity
3
Documentation
12
ustr
Maintenance
6
Quality
17
Community
13
Popularity
7
Documentation
13
Technical Details
| xstring | cypherlite-ffi | ustr | |
|---|---|---|---|
| Version | 0.1.1 | 2.0.1 | 1.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | BSD-2-Clause-Patent |
| Dependencies | 1 | 4 | 12 |
| Crate Size | 12KB | 31KB | 351KB |
| Features | 4 | 7 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.84 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •cypherlite-ffi leads with a health score of 57/100, but none of the options score above 80.
- •ustr has the most downloads (1.8M), suggesting wider adoption.
- •ustr is depended on by 525 crates — strongest ecosystem trust.
- •⚠ ustr has not been updated in over a year.
- •xstring is pre-1.0 — API may change.